01081nam1-22003491i-450-99000540163020331620030728120000.0000540163USA01000540163(ALEPH)000540163USA0100054016320020112d2002-------|0enac50------baengGB|||| |||||Traditional telecommunications networksedited by Gary MaddenCheltenhamNorthamptonEdward Elgar,v.24 cm0019900054091902033162001 <<Vol. 1:The>> international handbook of telecomunications economicsTelecomunicazioniFICheltenhamNorthampton ( Massachusetts)384Altri sistemi di comunicazioni - Telecomunicazioni21MADDEN,GaryEdward ElgarITSOL20120104990005401630203316BKDISES20121027USA011531Traditional telecommunications networks1141412UNISA